Based on some research, the answer to your question would be the reign of emperor meiji :)
Answer:
A. US President Harry Truman
Explanation:
General MacArthur, angered over Chinese involvement in North Korea, wanted the United States to bomb China. US president Harry Truman disagreed. He was concerned that bombing China would lead to war with China’s ally, the Soviet Union, and potentially to the use of nuclear weapons. Because Truman disagreed with MacArthur’s foreign policy, he fired the popular general.
The answer to this should be: A sizable middle class has developed.
With a middle class they can create a better governance; The Middle Class has a strong interest in promoting foresighted policies and making government work well because their economic fate is more closely tied to the quality of government than that of the wealthy.
Hope this helped :)
Have a great day
Answer:
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C. They struggled to transition from a command economy to a free market economy.